“Some Fixed Point Theorems for \(\Theta-\phi\)-Multivalued Contraction Mappings in Rectangular \(b\)-Metric Spaces”.
European Journal of Pure and Applied Mathematics 18, no. 2 (May 1, 2025): 6086. Accessed February 23, 2026.
https://www.ejpam.com/ejpam/article/view/6086.